21.   So, as any American with a mail slot knows, charities have redoubled their begging.

22.   Tantalizing coupons from major department stores float through the mail slot on a daily basis.

23.   The animal snuck up on him when he was stuffing envelopes into a mail slot.

24.   The banding process is called letterboxing, apropos of the feeling that one is watching the film through a mail slot.

25.   The handwritten request was illustrated with a snaking arrow that pointed in the direction of a mail slot near the bottom of a blue door.

26.   The tide comes in every day at the mail slot.

27.   We want government off our backs, but a Social Security check in our front mail slots.

28.   You can get advice, fill in your forms and drop them in the handy mail slot nearby.

29.   A reporter who looked through the mail slot saw the apartment had been stripped of the carpet and even the toilet bowl.